The Building Blocks Crochet Throw is the perfect crochet blanket for any kid (or kid at heart!). Worked up in crochet squares and rectangles, this granny square blanket resembles Lego blocks, though stepping on this is not nearly as painful.
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Lego Blocks Skill-Intermediate. (Free) These Lego Blocks are really popular right now. Using the bobble stitch you can make an adorable afghan for yourself or a child. Go back to childhood when you built fun buildings with your Lego's. This is a really neat crochet afghan pattern you'll have to try.